http://www.cnr.it/ontology/cnr/individuo/prodotto/ID287161
Characterization of an amylose-graft-poly(n-butyl methacrylate) copolymer obtained by click chemistry by EPR and SS-NMR spectroscopies (Articolo in rivista)
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- Label
- Characterization of an amylose-graft-poly(n-butyl methacrylate) copolymer obtained by click chemistry by EPR and SS-NMR spectroscopies (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.carbpol.2014.05.086 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Borsacchi S.; Calucci L.; Geppi M.; La Terra F.; Pinzino C.; Bertoldo M. (literal)
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- http://www.scopus.com/inward/record.url?eid=2-s2.0-84903163985&partnerID=q2rCbXpz (literal)
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- Rivista
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- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Risorgimento 35, 56126 Pisa, Italy; INSTM, Consorzio Interuniversitario per la Scienza e Tecnologia Dei Materiali, via Giusti 9, 50121 Firenze, Italy; Istituto di Chimica Dei Composti Organometallici Del Consiglio Nazionale Delle Ricerche, Area della Ricerca di Pisa-S. Cataldo, Via G. Moruzzi 1, 56124 Pisa, Italy; Istituto per i Processi Chimico-Fisici Del Consiglio Nazionale Delle Ricerche, Area della Ricerca di Pisa-S. Cataldo, Via G. Moruzzi 1, 56124 Pisa, Italy (literal)
- Titolo
- Characterization of an amylose-graft-poly(n-butyl methacrylate) copolymer obtained by click chemistry by EPR and SS-NMR spectroscopies (literal)
- Abstract
- We present an investigation of the main chemical and physico-chemical properties of a graft copolymer of amylose and poly(n-butyl methacrylate), Am-g-PBMA, amphiphilic and able to self-assemble in water, prepared by coupling end azide-functionalized PBMA and alkyne-functionalized amylose under convenient click conditions. A deep knowledge of these properties is necessary in the perspective of real applications of the copolymer. To this aim we combined a basic characterization through FT-IR, TGA, ICP-OES and SEM with an extensive EPR and Solid State NMR investigation. It was possible to characterize the main structural and dynamic properties of Am-g-PBMA and highlight the presence of residual copper (Cu(II)) from the catalyst, even after an extensive purification procedure. We could identify two main species of Cu(II): Cu(II) complexes coordinated to the N,N,N?,N??,N??- pentamethyldiethylenetriamine (PMDETA) ligand from the catalyst and to the copolymer triazole nitrogens and multi-nuclear or clustered Cu(II) species likely coordinated to amylose hydroxyl groups. © 2014 Published by Elsevier Ltd. (literal)
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